I own a nice little GEM in .177Originally Posted by Benelli B76
Picked up one of the nicest Gems I have seen. Looks don't always say much about the internals, and this one had no piston seal attached and a broken spring. Turned up a nice fitting polyurethane piston seal and bought spring from Protek. Had absolutely no chance of fitting the full size spring using all my strength and ended up taking off 3 coils to compress it enough to get the thread to start. Is there some method without special tools to get these springs in ?
Baz
Mine does not have the washer or a hole on the piston for one.
They have a leather buffer at the end of the cylinder that acts a cushion for the piston. Mine also had remnants of leather in the cylinder so I just got a 1inch leather washer and cut it in half with a Stanley knife so it would fit correctly. Before doing this the piston would not be held back by the trigger sear...I found this out the hard way and almost broke a finger!
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